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Hi. I was wondering if there is any documentation on the USB 2.0 (host/otg) port. How would I go about configuring the port? If I plug something in, such as the cable to connect to the PC, how does it know which end is the host (the PC in this case)? Is it automatic? What if I plug in an external hard-drive? Will the USB 2.0 become the host? Do I have to modify some interrupt handler?

In the apq8096-sbc.dtsi, I see these two usb configurations. Is the usb2s for the USB 2.0 port?